Chapter 21.3, Problem 22LC

Interpretation Introduction

Interpretation: The charge on the anode of an electrolytic cell and a voltaic cell needs to be determined.

Concept Introduction: In electrochemistry, the relationship between electrical potential differences and potential differences due to chemical change is explained. The two types of cells that can be studied in electrochemistry are electrolytic cells and voltaic cells.

Explanation of Solution

In a voltaic cell, a spontaneous redox reaction takes place due to which a continuous flow of electrons takes place through the conductor. On the other hand, in an electrolytic cell, redox reactions are produced with the help of current. In a voltaic cell, mechanical energy is converted into electrical energy, on the other hand, electrical energy is converted into chemical energy in an electrolytic cell. In voltaic cells, the positive electrode is the cathode and the negative electrode is the anode. On the other hand, in an electrolytic cell, the anode is the positive electrode and the cathode is the negative.

Therefore, the charge on the anode of an electrolytic cell and of a voltaic cell is positive and negative respectively.